<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>换肤</title>
	<link rel="stylesheet" type="text/css" href="03_1.css" id='link1 '>
	<script type="text/javascript">
		window.onload = function(){
			var oLink = document.getElementById('link1');
			oLink.href = "03_2.css";
		}

	</script>
</head>
<body>
	<div class="box01"></div>
	<div class="box02"></div>
</body>
</html>